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x86, ptrace: add bts context unconditionally

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Add the ptrace bts context field to task_struct unconditionally.

Initialize the field directly in copy_process().
Remove all the unneeded functionality used to initialize that field.

Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Cc: roland@redhat.com
Cc: eranian@googlemail.com
Cc: oleg@redhat.com
Cc: juan.villacis@intel.com
Cc: ak@linux.jf.intel.com
LKML-Reference: <20090403144603.292754000@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Markus Metzger
2009-04-03 16:43:48 +02:00
committed by Ingo Molnar
parent ee811517a5
commit 0f4814065f
6 changed files with 7 additions and 48 deletions
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2
include/linux/sched.h
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@@ -1205,13 +1205,11 @@ struct task_struct {
struct list_head ptraced;
struct list_head ptrace_entry;
#ifdef CONFIG_X86_PTRACE_BTS
/*
* This is the tracer handle for the ptrace BTS extension.
* This field actually belongs to the ptracer task.
*/
struct bts_context *bts;
#endif /* CONFIG_X86_PTRACE_BTS */
/* PID/PID hash table linkage. */
struct pid_link pids[PIDTYPE_MAX];